Question

Помогите пожалуйста....................................................

Answer 1

y`=-2√3sinx+2cosx-2=0
√3sinx-cosx=-1
2(√3/2sinx-1/2cosx)=-1
sin(x-π/6)=-1/2
x-π/6=-π/6+2πn U x-π/6=7π/6+2πk
x=2πn,n∈z U x=4π/3+2πk,k∈z